Learn about this topic in these articles:

anseriforms

…pound) in weight in the African pygmy goose (Nettapus auritus) to 1.5 metres (5 feet) in length and weighing more than 17 kg (37 pounds) with a 2-metre (6.6-foot) wingspan in the trumpeter swan (Cygnus buccinator). The neck is medium to long. The bill is of medium length, typically broad…